284028312 has 16 divisors (see below), whose sum is σ = 710070840. Its totient is φ = 94676096.

The previous prime is 284028307. The next prime is 284028347. The reversal of 284028312 is 213820482.

It is a self number, because there is not a number n which added to its sum of digits gives 284028312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5917233 + ... + 5917280.

Almost surely, 2^284028312 is an apocalyptic number.

It is an amenable number.

284028312 is an abundant number, since it is smaller than the sum of its proper divisors (426042528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

284028312 is a wasteful number, since it uses less digits than its factorization.

284028312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11834522 (or 11834518 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 284028312 is about 16853.1395294764. The cubic root of 284028312 is about 657.3356869884.

Adding to 284028312 its reverse (213820482), we get a palindrome (497848794).

The spelling of 284028312 in words is "two hundred eighty-four million, twenty-eight thousand, three hundred twelve".